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- There is a crane ahead that is hanging a large concrete pipe. 前面有一臺吊車(chē)正在吊著(zhù)一只大水泥管。
- This paper analyses filament breakage and sliding wire of pretensioned concrete,so it can provides guidance of construction. 對張拉鋼絞線(xiàn)施工中斷絲、滑絲現象予以理論分析,并據此指導施工。
- pretensioned high- strength concrete pipe pile 預應力高強管樁
- As a new joist technique of concrete pipe pile, the prestressed concret e pile mechanical bond express joint has been used in engineering nowadays. 預應力混凝土管樁機械快速接頭作為一種新型的管樁連接技術(shù),近年在工程中時(shí)有使用。
- Production and Application of Pretensioned Concrete Wall Pipe Piling Sheet 先張法預應力混凝土管樁端板生產(chǎn)及應用
- The research results also indi-cate that the steel fiber reinforced centrifugal concrete pipe has better durability. 研究還表明,離心鋼纖維混凝土管具有較好的耐久性。
- In concrete pipe, corrosion-resistant liners may be placed in the invert of the sewer for protection. 在混凝土管道中，防腐襯里可以放置在管子里面保護管子。
- The bending moment of common prestressed concrete pipe piles is relatively low under the horizontal earthquake action. 摘要普通預應力混凝土管樁在水平地震作用下抗彎能力較差；
- PRODUCTION AND APPLICATION OF PRETENSIONED CONCRETE THIN WALL PIPE PILE 先張法預應力混凝土薄壁管樁的生產(chǎn)及應用
- When reinforced concrete pipe is needed for larger sizes, at interior protective coating or coal tar, vinyl, or epoxy should be considered. 如果需要大尺寸的鋼筋混凝土管，內部襯里用煤焦油，乙烯基或環(huán)氧應該考慮。
- Epoxy or plastic liming may be cast into the concrete pipe during manufacture;or bitumastic or coal tar epoxy may be painted on the concrete pipe surfaces after installation. 可以在制造混凝土管道時(shí)將環(huán)氧和塑膠襯里澆筑在里面，或在安裝后用瀝青砂漿或煤焦油屠宰混凝土管的表面。
- The tests research of blasting vibration simulating earthquake were carried out by a reinforced concrete pipe embedded landscape orientation and hangfire. 摘要通過(guò)埋置鋼筋混凝土管約束爆破的豎向震動(dòng)，采用延時(shí)爆破方式進(jìn)行模擬天然地震的試驗研究。
- Prestressed concrete pipe piles by post-tensioning method are widely used in harbor engineering because of its high flexural bearing capacity and low cost. 摘要后張法預應力混凝土大管樁由于抗彎承載力高和成本低等諸多優(yōu)點(diǎn)，在港口工程中得到了廣泛的使用。
- On internal cause, taking good block-crack, anti-fatigue, anti-impactive steel-fibre concrete pipe can confirm security of the construction and reduce distributed steel. 在內因上,為保證結構長(cháng)期安全性及減少配筋量,采用具有良好阻裂作用、耐疲勞、抗沖擊的鋼纖維砼管片。
- The Analysis and Prevention of Pretensioned Concrete Piles'Quality Drawback 預應力管樁質(zhì)量弊病分析與防治
- Based on the analysis of the inadequacy of the lifting capacity of piling barge in large-diameter prestressed concrete pipe pile driving construction, the measure of applying buoyancy generated by cavity drainage to remedy the inadequacy is put forward. 摘要針對混凝土大直徑管樁沉樁施工時(shí)打樁船吊裝能力存在不足的問(wèn)題進(jìn)行了分析，提出了利用管樁空腔排水產(chǎn)生的浮托力來(lái)彌補的措施。
- The calculation formula is proposed based on the results of bond strength of new and old concrete,which can estimate the ultimate capacity of connections between prestressed concrete pipe pile and pile cap. 最后,根據新老混凝土粘結性能的研究成果,對預應力混凝土大管樁與樁帽混凝土連接節點(diǎn)極限軸拔承載力計算給出了建議計算公式,與試驗結果吻合較好。
- Based on 19 flexurai tests and study results of prestressed concrete pipe pile-pile cap connections, failure patterns and mechanism of the test specimens are described, the main factors affecting flexural capacity of the connection are analyzed. 本文通過(guò)對十九個(gè)預應力混凝土管柱與樁帽連接節點(diǎn)的受彎試驗研究;描述了連接節點(diǎn)的破壞形態(tài)和破壞機理;分析了連接節點(diǎn)受彎承載力的主要影響因素.
- Based on the flexurd tests on prestressed concrete pipe pile-pile cap cennections , the cracks , failure forms and performance characteristics are described the rigid property and ductility are analyzed. 基于預應力混凝土管與樁帽連接節點(diǎn)的受彎試驗，描述了連接節點(diǎn)試件的裂縫特征、破壞形態(tài)及其受力特點(diǎn)，對連接節點(diǎn)區的嵌固性能及延性性質(zhì)進(jìn)行了分析和探討。
- Cleaning system: cleaning pump with great power can clean the concrete piping of crane and hopper swiftly and conveniently. 清洗系統：大功率清洗水泵，能迅速、方便地對臂架砼配管及料斗進(jìn)行清洗。
